tofsee | 78d9ff31ea05279a6e272726b7dcb36f23401abed2508ab6126aacb116e9c215

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 20:09

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General

Target

2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe
Size

10.7MB
MD5

fa4e150bd2d9f3643b16a43221df6cb6
SHA1

cfe68a2880c6291bc248c05eb2defb8a62dc96c7
SHA256

78d9ff31ea05279a6e272726b7dcb36f23401abed2508ab6126aacb116e9c215
SHA512

ee1420100fa19cb9304d8c0f9581b295ede16c653146338f5f7d6d97b0e47ac3f5d48505bb73cd7378dc9bd99fd8fcccb91b5fbe1a396a4d71bced6cb3bed8c7
SSDEEP

49152:HLFuiE888888888888888888888888888888888888888888888888888888888U:HLM

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\fsqkdird = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3048	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fsqkdird\ImagePath = "C:\\Windows\\SysWOW64\\fsqkdird\\gjpjyjua.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1144	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2960	gjpjyjua.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 1144	2960	gjpjyjua.exe	42

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2940	sc.exe
2772	sc.exe
2672	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gjpjyjua.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 2256	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	29
PID 572 wrote to memory of 2256	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	29
PID 572 wrote to memory of 2256	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	29
PID 572 wrote to memory of 2256	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	29
PID 572 wrote to memory of 2892	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	31
PID 572 wrote to memory of 2892	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	31
PID 572 wrote to memory of 2892	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	31
PID 572 wrote to memory of 2892	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	31
PID 572 wrote to memory of 2940	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	33
PID 572 wrote to memory of 2940	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	33
PID 572 wrote to memory of 2940	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	33
PID 572 wrote to memory of 2940	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	33
PID 572 wrote to memory of 2772	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	35
PID 572 wrote to memory of 2772	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	35
PID 572 wrote to memory of 2772	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	35
PID 572 wrote to memory of 2772	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	35
PID 572 wrote to memory of 2672	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	37
PID 572 wrote to memory of 2672	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	37
PID 572 wrote to memory of 2672	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	37
PID 572 wrote to memory of 2672	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	37
PID 572 wrote to memory of 3048	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	40
PID 572 wrote to memory of 3048	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	40
PID 572 wrote to memory of 3048	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	40
PID 572 wrote to memory of 3048	572	2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe	40
PID 2960 wrote to memory of 1144	2960	gjpjyjua.exe	42
PID 2960 wrote to memory of 1144	2960	gjpjyjua.exe	42
PID 2960 wrote to memory of 1144	2960	gjpjyjua.exe	42
PID 2960 wrote to memory of 1144	2960	gjpjyjua.exe	42
PID 2960 wrote to memory of 1144	2960	gjpjyjua.exe	42
PID 2960 wrote to memory of 1144	2960	gjpjyjua.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fsqkdird\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gjpjyjua.exe" C:\Windows\SysWOW64\fsqkdird\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fsqkdird binPath= "C:\Windows\SysWOW64\fsqkdird\gjpjyjua.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fsqkdird "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fsqkdird
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3048

C:\Windows\SysWOW64\fsqkdird\gjpjyjua.exe
C:\Windows\SysWOW64\fsqkdird\gjpjyjua.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_fa4e150bd2d9f3643b16a43221df6cb6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\gjpjyjua.exe

Filesize
10.6MB

MD5
7cff618ac0c7321c4092d1ffc4dde7af

SHA1
bf7a008e20199a598a356e96d2cd67a3eb6430ad

SHA256
01ac104c0c829550fea765631563ceafe8ab9ce4868668e801a09748eaea1be6

SHA512
b9a437358c31708953e619e703e0975d00608dbccd919367ba492351e0202f93f3bdf1665e4dfb0ba50e223cf82080cad82ad89d29a85b8b228cfa580ebc4360

Download Submit
memory/572-7-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/572-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/572-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/572-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/572-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/572-1-0x0000000002F40000-0x0000000003040000-memory.dmp

Filesize
1024KB

Download
memory/1144-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1144-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1144-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1144-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1144-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-16-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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